2154025455 has 32 divisors (see below), whose sum is σ = 3495797760. Its totient is φ = 1132410240.

The previous prime is 2154025427. The next prime is 2154025519. The reversal of 2154025455 is 5545204512.

2154025455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2154025455 - 2⁷ = 2154025327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009740 + ... + 1011870.

It is an arithmetic number, because the mean of its divisors is an integer number (109243680).

Almost surely, 2^2154025455 is an apocalyptic number.

2154025455 is a deficient number, since it is larger than the sum of its proper divisors (1341772305).

2154025455 is a wasteful number, since it uses less digits than its factorization.

2154025455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2154025455 is about 46411.4797760209. The cubic root of 2154025455 is about 1291.4678831844.

Adding to 2154025455 its reverse (5545204512), we get a palindrome (7699229967).

The spelling of 2154025455 in words is "two billion, one hundred fifty-four million, twenty-five thousand, four hundred fifty-five".